These differences in results of various studies are due to numerous differences including population characteristics, individual susceptibility, technical aspect of exposure assessment methodologies, air pollutants measurements, pollution types, the duration of exposure and air pollutant particles and size.

In this study most of the air pollutant associations with ASD were stronger for boys than girls however this must be interpreted with caution as a smaller number of girls with ASD were included in the analysis.

is known for manufacturing northern bleached softwood kraft pulp; but the pulp and paper company is starting to be recognized for the work it is doing to reduce various air pollutants that can affect people's health and contribute to air pollution.

Although a comprehensive approach to reducing emissions requires both technology and TDM strategies, TDM strategies are notable since they reduce emissions of all air pollutants from motor vehicles, unlike technologies that target specific pollutants.

EPA's proposed delisting of MEK as a hazardous air pollutant does not affect other ways this chemical will be regulated, however, it will continue to be regulated as a VOC because of its contribution to smog.

In the area of air pollutant exposure, UCLA School of Public Health environmental health sciences professor Arthur Winer assigned a grade of "B-plus" to exposure assessment researchers, noting "significant advances in knowledge but that some nonconventional pollutants have not been adequately studied.

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